From: Brian Candler <b.candler@...>
Date: 2009-07-26T08:24:08+09:00
Subject: Re: Please debug this program

Prateek Agarwal wrote:
> I had to make a program to estimate the value of pi using Ramanujan's
> method.
> 
> I have made the program but it is giving the following error
> 
> Question1.rb:8:in 'factorial':Interrupt

You pressed ctrl-C?

I'm surprised it even ran at all:

def factorial(x)
  if (x==0) then
    return (1)
    end
    else
      ... something else

This doesn't make sense syntactically - an 'else' without an 'if'. You 
need:

  if x == 0
    return 1
  else
    ... something else
  end
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